This is because of the EOL and also because the firmware running on your device is very old (7.2) and ASA firmware, config, and behavior in general changed a lot from the 8.4 firmware. Well, I can start to suggest to avoid any further operation on the 5520 platform, and start directly to working on the migration to the new model. I know it's a hefty $600-$1000 but the education might be worth the price if this is a feasible way to learn the ins and outs of the ASA platform.
I've also considered getting an AA 5506x for my home to get a better grasp on how the ASA units work. What suggestions do you all have to move the configuration over to the newer hardware? I do know it's set up for outside VPN with authentication to Active Directory and two remote always on VPN links to two 5506 units (which I'd also like to upgrade later in the year). I'd like to avoid buying a license for the 5520 since it's EOL, but it's not out of the question. I don't have an old version of Java installed so I cant run the 5.2 version. I am able to install the ASDM software from the 5516x and it connects to the 5520 just fine.
I know my way around older Cisco hardware, but I'm self taught and there is much I don't know. We have a ASA 5516x (which should have an active support license) that can replace it, but I'm not sure what the best method will be. The person(s) who configured it are long gone, the support license I am pretty sure is expired and here are it's details:ĭevice Type: 5510 (physical unit says 5520) I'm recently at a new job where they have a ASA 5520 production.
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